<template>
  <div>
    <!--搜索组件-->
    <el-card id="search">
      <el-row>
        <el-col :span="20">
          <el-input v-model="searchModel.username" placeholder="请输入用户名" clearable></el-input>
          <el-input v-model="searchModel.phone" placeholder="请输入电话" clearable></el-input>
          <el-button
            @click="getUserList"
            type="primary"
            round icon="el-icon-search"
          >搜索</el-button>
        </el-col>
        <el-col :span="4" align="right">
          <el-button type="primary" circle icon="el-icon-plus" @click="openEditUI(null)"></el-button>
        </el-col>
      </el-row>
    </el-card>
    <!--结果列表-->
    <el-card id="list">
      <el-table
        :data="userList"
        stripe
        style="width: 100%"
      >
        <el-table-column prop="id"
           label="用ID"
           width="180"
        >
        </el-table-column>
        <el-table-column prop="username"
          label="用户名"
          width="180"
        >
        </el-table-column>
        <el-table-column
          prop="phone"
          label="电话"
          width="180"
        >
        </el-table-column>
        <el-table-column
          prop="email"
          label="邮箱"
        >
        </el-table-column>
        <el-table-column
          prop="status"
          label="用户状态"
        >
          <template slot-scope="scope">
            <el-tag v-if="scope.row.status == 1">启用</el-tag>
            <el-tag v-else type="danger">禁用</el-tag>
          </template>
        </el-table-column>
        <el-table-column
          label="操作"
          width="180"
        >
          <template slot-scope="scope">
            <el-button @click="openEditUI(scope.row.id)" type="primary" icon="el-icon-edit" circle></el-button>
            <el-button @click="delUser(scope.row)" type="danger" icon="el-icon-delete" circle></el-button>
          </template>
        </el-table-column>
      </el-table>
    </el-card>

    <!--分页组件-->
    <div class="block">
      <span class="demonstration"></span>
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="searchModel.pageNum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="searchModel.pageSize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </div>

    <!--  用户信息编辑对话框  -->
    <el-dialog @close="clearForm" :title="title" :visible.sync="dialogFormVisible">
      <el-form :model="userForm" :rules="rules" ref="userFormRef">
        <el-form-item label="用户名" prop="username" :label-width="formLabelWidth">
          <el-input v-model="userForm.username" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item
          label="密码"
          prop="password"
          :label-width="formLabelWidth"
          v-if="userForm.id == null || userForm.id == undefined"
        >
          <el-input type="password" v-model="userForm.password" autocomplete="off" show-password></el-input>
        </el-form-item>
        <el-form-item label="联系电话" :label-width="formLabelWidth">
          <el-input v-model="userForm.phone" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="电子邮件" prop="email" :label-width="formLabelWidth">
          <el-input v-model="userForm.email" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="用户状态" :label-width="formLabelWidth">
          <el-switch
            v-model="userForm.status"
            :active-value="1"
            :inactive-value="0"
          ></el-switch>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveUser">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import userApi from '@/api/userManage'
export default {
  data() {
    var checkEmail = (rule ,value,callback) =>{
      var reg = /^[a-zA=Z0-9]+([-_.][a-zA-Z0-9]+)*@[a-zA-Z0-9]+([-_.][a-zA-Z0-9]+)*\.[a-z]{2,}$/
      if (!reg.test(value)){
          return callback(new Error('邮箱格式错误'));
      }
      callback();
    };
    return {
      formLabelWidth:'100px',//控制'用户名'到左边的宽度
      userForm:{},
      dialogFormVisible:false,//控制对话框是否可见
      title:'',
      total:0,
      searchModel: {
        pageNum:1,
        pageSize: 10
      },
      userList: [],
      rules:{
        username: [
          { required: true, message: '用户名称不能为空', trigger: 'blur' },
          { min: 3, max: 50, message: '长度在 3 到 50 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '密码不能为空', trigger: 'blur' },
          { min: 6, max: 16, message: '长度在 6 到 16 个字符', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入电子邮箱', trigger: 'blur' },
          { validator: checkEmail,trigger: 'blur' }
        ],
      }
    }
  },
  methods:{
    saveUser(){
      //触发表单验证
      this.$refs.userFormRef.validate((valid) => {
        if (valid) {
          //提交请求给后台
          userApi.saveUser(this.userForm).then(response =>{
            //成功提示
            this.$message({
              message:response.message,
              type:'success'
            });
            //关闭对话框
            this.dialogFormVisible = false;
            //刷新表格
            this.getUserList();
          })
        } else {
          console.log('error submit!!');
          return false;
        }
      });
    },
    clearForm(){
      //清理表单
      this.userForm = {};
      this.$refs.userFormRef.clearValidate();//清除校验结果
    },
    openEditUI(id){
      //打开编辑界面
      if (id == null){
        this.title='新增用户';
      }else{
        this.title='修改用户';
        //根据id查询数据
        userApi.getUserById(id).then(response =>{
          this.userForm = response.data;
        })
      }
      this.dialogFormVisible=true;
    },
    handleSizeChange(pageSize){
      this.searchModel.pageSize = pageSize;
      this.getUserList();
    },
    handleCurrentChange(pageNum){
      this.searchModel.pageNum = pageNum;
      this.getUserList();
    },
    getUserList() {
      userApi.getUserList(this.searchModel).then(response => {
        this.userList = response.data.rows;
        this.total = response.data.total;
      });
    },
    delUser(user){
      this.$confirm(`您确认删除用户${user.username}?`, '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        userApi.delUserById(user.id).then(response =>{
          this.$message({
            type: 'success',
            message: '删除成功!'
          });
          this.getUserList();

        })
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        });
      });
    }
  },
  created() {
    this.getUserList();
  }
}
</script>

<style scoped>
#search .el-input {
  width: 200px;
  margin-right: 10px;
}
.el-dialog .el-input{
  width: 80%;
}
</style>
